17:00 - 17:40
Geoff Watts asks why the source of new medical drugs is drying up.
The prize is awarded each year to a British artist under fifty for an outstanding exhibition or other presentation of their work in the twelve months preceding. The four artists shortlisted for the Turner Prize 2009 are Enrico David, Roger Hiorns, Lucy Skaer and Richard Wright.
BBC © 2012 The BBC is not responsible for the content of external sites. Read more.
This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.